[填空题] 慢性肾功能衰竭的临床过程可分为________、_________、________和_______四个阶段。

下列因素中哪些是肾前性氮质血症的诱因() ["A．失血","B．过度利尿","C．心源性休克","D．恶性高血压肾脏危像","E．肺栓塞"] 观察患者是否出现脑疝主要应注意() ["A．头痛，呕吐是否加剧","B．意识改变","C．瞳孔大小","D．脉搏，呼吸，血压改变","E．尿量的改变"] 下列不符合Ⅳ型肾小管酸中毒的是() ["A．高氯性代谢性酸中毒","B．尿pH值5.3","C．低钙血症及低钠血症","D．老年患者，有慢性肾功能不全，血肌酐值为421μmol/L","E．血钾5.9mmol/L"] 当尿量低于____/24h称为少尿，低于_____/24h称为无尿，尿量大于______/24h称为多尿。 反射弧包括() ["A．感受器","B．传入神经","C．中枢","D．传出神经元","E．效应器"] 慢性肾功能衰竭的临床过程可分为________、_________、________和_______四个阶段。